28679980 (number)

28679980 is an even 8-digits composite number following 28679979 and preceding 28679981. In scientific notation, it is written as 2.8679980 × 10^7. The sum of its digits is 49. It has a total of 4 prime factors and 12 positive divisors. There are 9833088 positive integers (up to 28679980) that are relatively prime to 28679980.

Interesting facts

Basic properties

Name

Name twenty-eight million six hundred seventy-nine thousand nine hundred eighty

Notation

Scientific notation 2.8679980 × 10^7
Engineering notation 2.8679980 × 10^6

Prime Factorization of 28679980

Prime Factorization 2 × 2 × 35 × 204857

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 14339990
Product of the distinct prime numbers

The prime factorization of 28679980 is 2 × 2 × 35 × 204857. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 6, 61, 74, 181, 363, 3759, 698, 80215, 94534, 146459, 297691, 3368276, 5350879, 26685993, 68209391, 276510087, 835787876, 3855082700, 8951722591

Basic calculations (n = 28679980)

Multiplication

n×y
n×2 57359960
n×3 86039940
n×4 114719920
n×5 143399900

Division

n÷y
n÷2 14339990
n÷3 9559993.3333333
n÷3 7169995
n÷5 5735996

Exponentiation

ny
n2 822541252800400
n3 2.359046667949E+22
n4 6.7657411255845E+29
n5 1.9404132016694E+37

Nth Root

y√n
2√n 5355.3692683138
3√n 306.09738168193
4√n 73.180388549896
5√n 31.010999845398

Divisors of 28679980

1, 2, 4, 35, 70, 140, 204857, 409714, 819428, 7169995, 14339990, 28679980

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28679979
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28679980 can be divided by 12 positive divisors. The sum of these divisors (counting 28679980) is 1, the average is 0.083333333333333.

Base conversion 28679980

Base System Value
2 Binary 1101101011001111100101100
3 Ternary 1222222002112111
4 Quaternary 1231121330230
5 Quinary 24320224410
6 Senary 2502413404
8 Octal 155317454
10 Decimal 28679980
12 Duodecimal 9731264
16 Hexadecimal 1b59f2c
20 Vigesimal 8j4jj0
36 Base36 h2pm4

Cryptographic Hash Functions

md5 4938df50f3416b5eea8605acb0082577
sha1 d321bd3545bd990ea6d957427437146fb6900e84
sha256 146637bf5c4bf0f64036f4ca443c2ea6fee3634111de29a98dd6cff7006d3a57
sha512 4f070d690fba1a6b0b37885aace204a856aa0bf693a2b3a7f995787e50d49b5e07087f9482afaeb2e06b4b46ab9ac72f194a899f4b8eb4d96528cd54c8ee81ef
ripemd-160 1ca0fdec6b2926a722da61f66c5f40d0d471e8f0

28679980 as geometric shapes

Circle

Radius = n
Diameter 57359960
Circumference 180201628.9462
Area 2.5840895570723E+15

Sphere

Radius = n
Volume 9.8815515753389E+22
Surface area 1.0336358228289E+16
Circumference 180201628.9462

Square

Length = n
Perimeter 114719920
Area 822541252800400
Diagonal 40559616.684589

Cube

Length = n
Surface area 4935247516802400
Volume 2.359046667949E+22
Space diagonal 49675182.520059

Equilateral Triangle

Length = n
Perimeter 86039940
Area 3.5617081029291E+14
Altitude 24837591.26003

Triangular Pyramid

Length = n
Surface area 3.5617081029291E+14
Volume 2.7801631600705E+21
Height 13519872.228196